Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5998123 | Silver halide light-sensitive color photographic material | Shinri Tanaka | 1999-12-07 |
| 5985528 | Resources recovery method in a silver salt photographic system | Tawara Komamura, Shinri Tanaka, Hiroyuki Iizuka, Noritaka Nakayama, Naoshi Kunieda +1 more | 1999-11-16 |
| 5981157 | Silver halide light-sensitive color photographic material | Shinri Tanaka | 1999-11-09 |
| 5763618 | Manufacturing method of sulfides | Ryuzou Watanabe, Shinri Tanaka, Katsuji Ota, Tomio Horiuchi | 1998-06-09 |
| 5616454 | Silver halide color photographic light-sensitive material | Manabu Kaneko, Shinri Tanaka | 1997-04-01 |